HTML基礎標籤圖片文本超連接列表表格表單介紹

1.HTML基礎標籤圖片常見代碼形式<img src="圖片路徑地址" alt="屬性名" title="佔位符">常見的圖片格式爲如下三種:.jpg(圖片有損壓縮,影響畫質)、.png(圖片無損壓縮、容積大、具備透明通道)、.gif(動圖)。圖片路徑地址分爲本地圖片和網絡圖片,本地圖片中分爲絕對路徑(從盤符開始算起)和相對路徑(從當前路徑算起),相對路徑屬於平級關係,若是圖片相對於上一級,表現形式爲"../"在<img src="圖片路徑地址" alt="屬性名" title="佔位符">中,alt="屬性名"是當圖片沒法正常展現出來時顯示的文字,title="佔位符"是鼠標移動到圖片上展現出來的提醒文字。
2.HTML基礎標籤文本分爲這個段落<p></p>標題h1-h6,文本隨標籤數字的增大而減少,標題的展現代碼以下:
 1 <!DOCTYPE html>
 2 <html lang="en">
 3 <head>
 4     <meta charset="UTF-8">
 5     <meta name="viewport" content="width=device-width, initial-scale=1.0">
 6     <title>HTML基礎標籤文本</title>
 7 </head>
 8 <body>
 9     <h1>標題1</h1>
10     <h2>標題2</h2>
11     <h3>標題3</h3>
12     <h4>標題4</h4>
13     <h5>標題5</h5>
14     <h6>標題6</h6>   
15 </body>
16 </html>

 在這裏不得不說的是瀏覽器的機制:針對空格、回車、table鍵,只要在字符之間(何謂字符,相似<p>我是字符</p>就是在這個標籤之間的文字),瀏覽器就會強制的轉換爲一個空格;若是沒有在字符之間,則會直接清空,固然咱們在編輯器中的排列添加的空格是爲了排版的須要!若是想要排版展現的文字和在瀏覽器窗口展現的同樣,咱們應該怎麼辦?常見代碼以下:html

 1 <!DOCTYPE html>
 2 <html lang="en">
 3 <head>
 4     <meta charset="UTF-8">
 5     <meta name="viewport" content="width=device-width, initial-scale=1.0">
 6     <title>HTML基礎標籤文本</title>
 7 </head>
 8 <body>
 9     換行<br>
10     <hr>下劃線
11     空格&nbsp;   <!--字符實體-->
12     文本格式化標籤:
13     <strong>文本加粗</strong>
14     <em>斜體</em>
15     <del>刪除線</del>
16 </body>
17 </html>
3.html基礎標籤超連接,常見形式爲<a href="#">文本</a>,在href="#"裏面,這個#能夠替換爲任何網址,若是不寫就爲空,用#表示。點擊連接的文本,連接的網址打開形式分爲當前窗口和新窗口打開,展現代碼爲<a href="http://www.dhnblog.com/" target="_blank">新窗口打開</a>,<a href="http://www.dhnblog.com/" target="_self">當前窗口打開</a>,還有咱們常說的書籤標記:錨點展現代碼形式以下
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
<br><a name="br">1</a>
<br>2
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<br><a href="#br">68點擊跳轉到1</a>
<br>69
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<br>100   
</body>
</html>
View Code

 <a name="br">1</a> <a href="#br">68點擊跳轉1</a>或者也能夠這樣寫:<a id="br">1</a><a href="#br">68點擊跳轉1</a>,除此以外,默認的<a href="#">點擊返回頂部</a>瀏覽器

  1 <!DOCTYPE html>
  2 <html lang="en">
  3 <head>
  4     <meta charset="UTF-8">
  5     <meta name="viewport" content="width=device-width, initial-scale=1.0">
  6     <title>Document</title>
  7 </head>
  8 <body>
  9 <br><a id="br">1</a>
 10 <br>2
 11 <br>3
 12 <br>4
 13 <br>5
 14 <br>6
 15 <br>7
 16 <br>8
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 75 <br>67
 76 <br><a href="#br">68</a>
 77 <br>69
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105 <br>97
106 <br>98
107 <br>99
108 <br>100   
109 </body>
110 </html>
View Code

 

4.html基礎標籤列表分爲無序列表,有序列表,自定義列表,字面意思理解就是有無順序的區別,代碼展現形式以下:
 1 <!DOCTYPE html>
 2 <html lang="en">
 3 <head>
 4     <meta charset="UTF-8">
 5     <meta name="viewport" content="width=device-width, initial-scale=1.0">
 6     <title>html基礎標籤列表</title>
 7 </head>
 8 <body>
 9     <!-- 無線列表type="circle"定義列表前展現的樣式,如今基本用的是style="list-style: ;"-->
10     <ul type="circle">
11         <li>1</li>
12         <li>2</li>
13         <li>3</li>
14         <li>4</li>
15     </ul>
16     <!-- 有序列表 -->
17     <ol style="list-style: square;">
18         <li>1</li>
19         <li>2</li>
20         <li>3</li>
21         <li>4</li>
22     </ol>
23     <!-- 自定義列表  -->
24     <dl>
25         <dt>
26             <dd>文本</dd>
27         </dt>
28     </dl>
29 </body>
30 </html>

 5.html基礎標籤表格<table>包含若干行<tr>,行裏面包含若干個單元格,單元格的標題是<th>內容爲<td>,在表格中最重要的2個是合併行或者列,而colspan=""表明的是單元格可橫跨列數rowspan=""表明的是可橫跨行數,展現代碼以下:網絡

 1 <!DOCTYPE html>
 2 <html lang="en">
 3 <head>
 4     <meta charset="UTF-8">
 5     <meta name="viewport" content="width=device-width, initial-scale=1.0">
 6     <title>html基礎標籤</title>
 7 </head>
 8 <body>
 9     <table border="1"><!--邊框爲1px-->
10         <caption>colspan列數&nbsp;rowspan行數</caption><!--表格頭部標題-->
11         <tr>
12             <th rowspan="4">部門</th>
13             <th>姓名</th>
14             <th>性別</th>
15             <th>工資</th>
16         </tr>
17         <tr>
18             <td>小明</td>
19             <td></td>
20             <td>1W</td>
21         </tr>
22         <tr>
23             <td>小林</td>
24             <td></td>
25             <td>1W</td>
26         </tr>
27         <tr>
28             <td>小影</td>
29             <td></td>
30             <td>1W</td>
31         </tr>
32         <tr>
33             <td colspan="3">工資合計</td>
34             <td>3W</td>
35         </tr>
36     </table>
37 </body>
38 </html>

 

6.html基礎標籤表單(待完善...)
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